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Wave-in-deck assessment of a floating rig in a harsh environment

AuthorsJaap de Wilde
Conference/JournalMARIN Report 132
Date30 sep. 2021
The BreaKin JIP (2016-2018) and its successor BreaKin CFD JIP (2019-2021) are good examples of industry collaboration working to solve the wave-in-deck problem. The projects zoom in on the specific topic of the kinematics in the wave crest and the subsequent violent flow physics at the moment that the top of the crest hits a lower part of the elevated deck. The actual impact takes place in a fraction of a second.


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Jaap de Wilde

Senior Project Manager

The main question is how high the load peak will be and at what probability of occurrence. In the first project, extensive model tests were carried out in MARIN’s Depressurised Wave Basin at two different scales (1:25 and 1:50) in atmospheric, as well as depressurised conditions to quantify scale effects. This research was needed to better understand how entrapped air in the wave crest influences the peak pressure at the moment of impact.
MARIN Examples of wave-in-deck model tests

Examples of wave-in-deck model tests